<template>
	<view v-if="cart.length !== 0">
    <my-address></my-address>
	  <view class="cart-title" >
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 右侧的文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action>
      <block v-for="(goods,index) in cart" :key="index">
        <uni-swipe-action-item :right-options="options" @click="swipeItemIndex(goods)">
        <my-goods :item="goods" :showRdio='true' :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
      <my-settle></my-settle>
	</view>
     <!-- 空白区域 -->
   <view class="empty-cart" v-else>
     <image src="/static/cart_empty@2x.png" class="empty-img"></image>
     <text class="tip-text">空空如也~</text>
   </view>
</template>

<script>

import badgeMix from '@/mixins/tabbar-badge.js'
import {mapState,mapMutations} from 'vuex'
export default {
  // 将 badgeMix 混入到当前的页面中进行使用
  mixins: [badgeMix],
   computed:{
     ...mapState('m_cart',['cart'])
   },
		data() {
			return {
				options:[{
          text:'删除',
          style:{
            backgroundColor:'#c00000'
          }
        }]
			};
		},
    methods: {
        ...mapMutations('m_cart', ['updateGoodsState','updateGoodsCount','removeGoodsById']),
        // 商品的勾选状态发生了变化
        radioChangeHandler(e) {
          this.updateGoodsState(e)
        },
        numberChangeHandler(e){
          this.updateGoodsCount(e)
        },
        swipeItemIndex(goods){
          this.removeGoodsById(goods)
        }
      },
	}
</script>

<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }

  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    padding-left: 5px;
    border-bottom: 1px solid #EFEFEF;

    .cart-title-text {
      font-size: 14px;
      margin-left: 10px;
    }
  }

  .empty-cart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;

    .empty-img {
      width: 90px;
      height: 90px;
    }

    .tip-text {
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
</style>
